(+-)-11-(3-Dimethylaminopropyl)-6,11-dihydrodibenzo(b,e)thiepin-2-carbonitrile maleate Dibenzo(b,e)thiepin-2-carbonitrile, 6,11-dihydro-11-(3-(dimethylamino)propyl)-, (+-)-, (Z)-2-butenedioate (1:1) HQ2540240